Arctic Air is a powerful, compact personal air cooler that pulls warm air from the room through its evaporative water filter to fill any space with cool, clean, comfortable air! Arctic Air cools, humidifies, and purifies for better air! Fill with water, plug it into any standard wall outlet or USB port and enjoy! It runs up to 8 hours per fill! Arctic Air is an evaporative air cooler that allows you to create your own personal climate! The whisper-quiet fan and soothing night light make it perfect to use throughout the night for a comfortable sleep.